Penetrating shovel tooth



FIG. 1 is a front perspective view of the penetrating shovel tooth;

FIG. 2 is a front end elevational view thereof;

FIG. 3 is a right side elevational view thereof, which is a mirror image of the left side elevational view thereof;

FIG. 4 is a rear end elevational view thereof; and,

FIG. 5 is a top plan view thereof, which is a mirror image of the bottom plan view thereof. 

The ornamental design for a penetrating shovel tooth, as shown and described. 